[INFO] fetching crate vit_logger 0.1.6... [INFO] testing vit_logger-0.1.6 against 1.91.0 for beta-1.92-2 [INFO] extracting crate vit_logger 0.1.6 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate vit_logger 0.1.6 [INFO] finished tweaking crates.io crate vit_logger 0.1.6 [INFO] tweaked toml for crates.io crate vit_logger 0.1.6 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate vit_logger 0.1.6 on toolchain 1.91.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 51 packages to latest compatible versions [INFO] [stderr] Adding colored v2.2.0 (available: v3.0.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 25d64600c8ef76681bfa49bc767a60c6afde7b82332c308e30797b708f54efd6 [INFO] running `Command { std: "docker" "start" "-a" "25d64600c8ef76681bfa49bc767a60c6afde7b82332c308e30797b708f54efd6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "25d64600c8ef76681bfa49bc767a60c6afde7b82332c308e30797b708f54efd6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25d64600c8ef76681bfa49bc767a60c6afde7b82332c308e30797b708f54efd6", kill_on_drop: false }` [INFO] [stdout] 25d64600c8ef76681bfa49bc767a60c6afde7b82332c308e30797b708f54efd6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2823b05732388f43da0fd4b250b26c62484499d30da395ef492591986e159ea9 [INFO] running `Command { std: "docker" "start" "-a" "2823b05732388f43da0fd4b250b26c62484499d30da395ef492591986e159ea9", kill_on_drop: false }` [INFO] [stderr] Compiling powerfmt v0.2.0 [INFO] [stderr] Compiling num-conv v0.1.0 [INFO] [stderr] Compiling time-core v0.1.6 [INFO] [stderr] Compiling colored v2.2.0 [INFO] [stderr] Compiling deranged v0.5.5 [INFO] [stderr] Compiling time v0.3.44 [INFO] [stderr] Compiling vit_logger v0.1.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/formatter.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.54s [INFO] running `Command { std: "docker" "inspect" "2823b05732388f43da0fd4b250b26c62484499d30da395ef492591986e159ea9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2823b05732388f43da0fd4b250b26c62484499d30da395ef492591986e159ea9", kill_on_drop: false }` [INFO] [stdout] 2823b05732388f43da0fd4b250b26c62484499d30da395ef492591986e159ea9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ba749308c15d8efb16c2141b57caa306352493601478cf9da1915eb86b713d66 [INFO] running `Command { std: "docker" "start" "-a" "ba749308c15d8efb16c2141b57caa306352493601478cf9da1915eb86b713d66", kill_on_drop: false }` [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/formatter.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling vit_logger v0.1.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/formatter.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:23:24 [INFO] [stdout] | [INFO] [stdout] 23 | #![cfg_attr(test, deny(warnings))] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(unused_imports)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s [INFO] running `Command { std: "docker" "inspect" "ba749308c15d8efb16c2141b57caa306352493601478cf9da1915eb86b713d66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba749308c15d8efb16c2141b57caa306352493601478cf9da1915eb86b713d66", kill_on_drop: false }` [INFO] [stdout] ba749308c15d8efb16c2141b57caa306352493601478cf9da1915eb86b713d66 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e777a7e78dbe52c926c40450efc9d48f8a30e8dd3130d096721c3e19a0e59feb [INFO] running `Command { std: "docker" "start" "-a" "e777a7e78dbe52c926c40450efc9d48f8a30e8dd3130d096721c3e19a0e59feb", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::path::Path` [INFO] [stderr] --> src/formatter.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::path::Path; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::path::Path` [INFO] [stderr] --> src/formatter.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::path::Path; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/lib.rs:23:24 [INFO] [stderr] | [INFO] [stderr] 23 | #![cfg_attr(test, deny(warnings))] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: `#[warn(unused_imports)]` implied by `#[warn(warnings)]` [INFO] [stderr] [INFO] [stderr] warning: `vit_logger` (lib) generated 1 warning (run `cargo fix --lib -p vit_logger` to apply 1 suggestion) [INFO] [stderr] warning: `vit_logger` (lib test) generated 1 warning (run `cargo fix --lib -p vit_logger --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vit_logger-2cbd657c6cfbc9e2) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests vit_logger [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 13) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 13) stdout ---- [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/lib.rs:19:53 [INFO] [stdout] | [INFO] [stdout] 6 | fn main() { [INFO] [stdout] | --------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] 7 | std::env::set_var("RUST_LOG", "trace"); [INFO] [stdout] 8 | VitLogger::new().init(Config::builder().finish()?); [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 6 ~ fn main() -> Result<(), Box> { [INFO] [stdout] 7 | std::env::set_var("RUST_LOG", "trace"); [INFO] [stdout] 8 | VitLogger::new().init(Config::builder().finish()?); [INFO] [stdout] 9 | log::info!("Hello, world!"); [INFO] [stdout] 10+ Ok(()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 13) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "e777a7e78dbe52c926c40450efc9d48f8a30e8dd3130d096721c3e19a0e59feb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e777a7e78dbe52c926c40450efc9d48f8a30e8dd3130d096721c3e19a0e59feb", kill_on_drop: false }` [INFO] [stdout] e777a7e78dbe52c926c40450efc9d48f8a30e8dd3130d096721c3e19a0e59feb